docs: def construct(path, name=None):
      "Selects an appropriate CGroup subclass for the given CGroup path."
      name = name if name else path.split("/")[4]
      classes = {"memory": Memory,
                 "cpu": CPU,
                 "cpuacct": CPUAcct}
      constructor = classes.get(name, CGroup)
      log.debug("Chose %s for: %s", constructor.__name__, path)
      return constructor(path, name)